michael@0: // Copyright 2011-2012 Norbert Lindenberg. All rights reserved.
michael@0: // Copyright 2012-2013 Mozilla Corporation. All rights reserved.
michael@0: // This code is governed by the BSD license found in the LICENSE file.
michael@0: 
michael@0: /**
michael@0:  * This file contains shared functions for the tests in the conformance test
michael@0:  * suite for the ECMAScript Internationalization API.
michael@0:  * @author Norbert Lindenberg
michael@0:  */
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * @description Calls the provided function for every service constructor in
michael@0:  * the Intl object, until f returns a falsy value. It returns the result of the
michael@0:  * last call to f, mapped to a boolean.
michael@0:  * @param {Function} f the function to call for each service constructor in
michael@0:  *     the Intl object.
michael@0:  *     @param {Function} Constructor the constructor object to test with.
michael@0:  * @result {Boolean} whether the test succeeded.
michael@0:  */
michael@0: function testWithIntlConstructors(f) {
michael@0:     var constructors = ["Collator", "NumberFormat", "DateTimeFormat"];
michael@0:     return constructors.every(function (constructor) {
michael@0:         var Constructor = Intl[constructor];
michael@0:         var result;
michael@0:         try {
michael@0:             result = f(Constructor);
michael@0:         } catch (e) {
michael@0:             e.message += " (Testing with " + constructor + ".)";
michael@0:             throw e;
michael@0:         }
michael@0:         return result;
michael@0:     });
michael@0: }
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Returns the name of the given constructor object, which must be one of
michael@0:  * Intl.Collator, Intl.NumberFormat, or Intl.DateTimeFormat.
michael@0:  * @param {object} Constructor a constructor
michael@0:  * @return {string} the name of the constructor
michael@0:  */
michael@0: function getConstructorName(Constructor) {
michael@0:     switch (Constructor) {
michael@0:         case Intl.Collator:
michael@0:             return "Collator";
michael@0:         case Intl.NumberFormat:
michael@0:             return "NumberFormat";
michael@0:         case Intl.DateTimeFormat:
michael@0:             return "DateTimeFormat";
michael@0:         default:
michael@0:             $ERROR("test internal error: unknown Constructor");
michael@0:     }
michael@0: }
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Taints a named data property of the given object by installing
michael@0:  * a setter that throws an exception.
michael@0:  * @param {object} obj the object whose data property to taint
michael@0:  * @param {string} property the property to taint
michael@0:  */
michael@0: function taintDataProperty(obj, property) {
michael@0:     Object.defineProperty(obj, property, {
michael@0:         set: function(value) {
michael@0:             $ERROR("Client code can adversely affect behavior: setter for " + property + ".");
michael@0:         },
michael@0:         enumerable: false,
michael@0:         configurable: true
michael@0:     });
michael@0: }
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Taints a named method of the given object by replacing it with a function
michael@0:  * that throws an exception.
michael@0:  * @param {object} obj the object whose method to taint
michael@0:  * @param {string} property the name of the method to taint
michael@0:  */
michael@0: function taintMethod(obj, property) {
michael@0:     Object.defineProperty(obj, property, {
michael@0:         value: function() {
michael@0:             $ERROR("Client code can adversely affect behavior: method " + property + ".");
michael@0:         },
michael@0:         writable: true,
michael@0:         enumerable: false,
michael@0:         configurable: true
michael@0:     });
michael@0: }
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Taints the given properties (and similarly named properties) by installing
michael@0:  * setters on Object.prototype that throw exceptions.
michael@0:  * @param {Array} properties an array of property names to taint
michael@0:  */
michael@0: function taintProperties(properties) {
michael@0:     properties.forEach(function (property) {
michael@0:         var adaptedProperties = [property, "__" + property, "_" + property, property + "_", property + "__"];
michael@0:         adaptedProperties.forEach(function (property) {
michael@0:             taintDataProperty(Object.prototype, property);
michael@0:         });
michael@0:     });
michael@0: }
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Taints the Array object by creating a setter for the property "0" and
michael@0:  * replacing some key methods with functions that throw exceptions.
michael@0:  */
michael@0: function taintArray() {
michael@0:     taintDataProperty(Array.prototype, "0");
michael@0:     taintMethod(Array.prototype, "indexOf");
michael@0:     taintMethod(Array.prototype, "join");
michael@0:     taintMethod(Array.prototype, "push");
michael@0:     taintMethod(Array.prototype, "slice");
michael@0:     taintMethod(Array.prototype, "sort");
michael@0: }
michael@0: 
michael@0: 
michael@0: // auxiliary data for getLocaleSupportInfo
michael@0: var languages = ["zh", "es", "en", "hi", "ur", "ar", "ja", "pa"];
michael@0: var scripts = ["Latn", "Hans", "Deva", "Arab", "Jpan", "Hant"];
michael@0: var countries = ["CN", "IN", "US", "PK", "JP", "TW", "HK", "SG"];
michael@0: var localeSupportInfo = {};
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Gets locale support info for the given constructor object, which must be one
michael@0:  * of Intl.Collator, Intl.NumberFormat, Intl.DateTimeFormat.
michael@0:  * @param {object} Constructor the constructor for which to get locale support info
michael@0:  * @return {object} locale support info with the following properties:
michael@0:  *     supported: array of fully supported language tags
michael@0:  *     byFallback: array of language tags that are supported through fallbacks
michael@0:  *     unsupported: array of unsupported language tags
michael@0:  */
michael@0: function getLocaleSupportInfo(Constructor) {
michael@0:     var constructorName = getConstructorName(Constructor);
michael@0:     if (localeSupportInfo[constructorName] !== undefined) {
michael@0:         return localeSupportInfo[constructorName];
michael@0:     }
michael@0: 
michael@0:     var allTags = [];
michael@0:     var i, j, k;
michael@0:     var language, script, country;
michael@0:     for (i = 0; i < languages.length; i++) {
michael@0:         language = languages[i];
michael@0:         allTags.push(language);
michael@0:         for (j = 0; j < scripts.length; j++) {
michael@0:             script = scripts[j];
michael@0:             allTags.push(language + "-" + script);
michael@0:             for (k = 0; k < countries.length; k++) {
michael@0:                 country = countries[k];
michael@0:                 allTags.push(language + "-" + script + "-" + country);
michael@0:             }
michael@0:         }
michael@0:         for (k = 0; k < countries.length; k++) {
michael@0:             country = countries[k];
michael@0:             allTags.push(language + "-" + country);
michael@0:         }
michael@0:     }
michael@0:     
michael@0:     var supported = [];
michael@0:     var byFallback = [];
michael@0:     var unsupported = [];
michael@0:     for (i = 0; i < allTags.length; i++) {
michael@0:         var request = allTags[i];
michael@0:         var result = new Constructor([request], {localeMatcher: "lookup"}).resolvedOptions().locale;
michael@0:          if (request === result) {
michael@0:             supported.push(request);
michael@0:         } else if (request.indexOf(result) === 0) {
michael@0:             byFallback.push(request);
michael@0:         } else {
michael@0:             unsupported.push(request);
michael@0:         }
michael@0:     }
michael@0:     
michael@0:     localeSupportInfo[constructorName] = {
michael@0:         supported: supported,
michael@0:         byFallback: byFallback,
michael@0:         unsupported: unsupported
michael@0:     };
michael@0:     
michael@0:     return localeSupportInfo[constructorName];
michael@0: }
michael@0:         
michael@0: 
michael@0: /**
michael@0:  * @description Tests whether locale is a String value representing a
michael@0:  * structurally valid and canonicalized BCP 47 language tag, as defined in
michael@0:  * sections 6.2.2 and 6.2.3 of the ECMAScript Internationalization API
michael@0:  * Specification.
michael@0:  * @param {String} locale the string to be tested.
michael@0:  * @result {Boolean} whether the test succeeded.
michael@0:  */
michael@0: function isCanonicalizedStructurallyValidLanguageTag(locale) {
michael@0: 
michael@0:     /**
michael@0:      * Regular expression defining BCP 47 language tags.
michael@0:      *
michael@0:      * Spec: RFC 5646 section 2.1.
michael@0:      */
michael@0:     var alpha = "[a-zA-Z]",
michael@0:         digit = "[0-9]",
michael@0:         alphanum = "(" + alpha + "|" + digit + ")",
michael@0:         regular = "(art-lojban|cel-gaulish|no-bok|no-nyn|zh-guoyu|zh-hakka|zh-min|zh-min-nan|zh-xiang)",
michael@0:         irregular = "(en-GB-oed|i-ami|i-bnn|i-default|i-enochian|i-hak|i-klingon|i-lux|i-mingo|i-navajo|i-pwn|i-tao|i-tay|i-tsu|sgn-BE-FR|sgn-BE-NL|sgn-CH-DE)",
michael@0:         grandfathered = "(" + irregular + "|" + regular + ")",
michael@0:         privateuse = "(x(-[a-z0-9]{1,8})+)",
michael@0:         singleton = "(" + digit + "|[A-WY-Za-wy-z])",
michael@0:         extension = "(" + singleton + "(-" + alphanum + "{2,8})+)",
michael@0:         variant = "(" + alphanum + "{5,8}|(" + digit + alphanum + "{3}))",
michael@0:         region = "(" + alpha + "{2}|" + digit + "{3})",
michael@0:         script = "(" + alpha + "{4})",
michael@0:         extlang = "(" + alpha + "{3}(-" + alpha + "{3}){0,2})",
michael@0:         language = "(" + alpha + "{2,3}(-" + extlang + ")?|" + alpha + "{4}|" + alpha + "{5,8})",
michael@0:         langtag = language + "(-" + script + ")?(-" + region + ")?(-" + variant + ")*(-" + extension + ")*(-" + privateuse + ")?",
michael@0:         languageTag = "^(" + langtag + "|" + privateuse + "|" + grandfathered + ")$",
michael@0:         languageTagRE = new RegExp(languageTag, "i");
michael@0:     var duplicateSingleton = "-" + singleton + "-(.*-)?\\1(?!" + alphanum + ")",
michael@0:         duplicateSingletonRE = new RegExp(duplicateSingleton, "i"),
michael@0:         duplicateVariant = "(" + alphanum + "{2,8}-)+" + variant + "-(" + alphanum + "{2,8}-)*\\3(?!" + alphanum + ")",
michael@0:         duplicateVariantRE = new RegExp(duplicateVariant, "i");
michael@0: 
michael@0: 
michael@0:     /**
michael@0:      * Verifies that the given string is a well-formed BCP 47 language tag
michael@0:      * with no duplicate variant or singleton subtags.
michael@0:      *
michael@0:      * Spec: ECMAScript Internationalization API Specification, draft, 6.2.2.
michael@0:      */
michael@0:     function isStructurallyValidLanguageTag(locale) {
michael@0:         if (!languageTagRE.test(locale)) {
michael@0:             return false;
michael@0:         }
michael@0:         locale = locale.split(/-x-/)[0];
michael@0:         return !duplicateSingletonRE.test(locale) && !duplicateVariantRE.test(locale);
michael@0:     }
michael@0: 
michael@0: 
michael@0:     /**
michael@0:      * Mappings from complete tags to preferred values.
michael@0:      *
michael@0:      * Spec: IANA Language Subtag Registry.
michael@0:      */
michael@0:     var __tagMappings = {
michael@0:         // property names must be in lower case; values in canonical form
michael@0: 
michael@0:         // grandfathered tags from IANA language subtag registry, file date 2011-08-25
michael@0:         "art-lojban": "jbo",
michael@0:         "cel-gaulish": "cel-gaulish",
michael@0:         "en-gb-oed": "en-GB-oed",
michael@0:         "i-ami": "ami",
michael@0:         "i-bnn": "bnn",
michael@0:         "i-default": "i-default",
michael@0:         "i-enochian": "i-enochian",
michael@0:         "i-hak": "hak",
michael@0:         "i-klingon": "tlh",
michael@0:         "i-lux": "lb",
michael@0:         "i-mingo": "i-mingo",
michael@0:         "i-navajo": "nv",
michael@0:         "i-pwn": "pwn",
michael@0:         "i-tao": "tao",
michael@0:         "i-tay": "tay",
michael@0:         "i-tsu": "tsu",
michael@0:         "no-bok": "nb",
michael@0:         "no-nyn": "nn",
michael@0:         "sgn-be-fr": "sfb",
michael@0:         "sgn-be-nl": "vgt",
michael@0:         "sgn-ch-de": "sgg",
michael@0:         "zh-guoyu": "cmn",
michael@0:         "zh-hakka": "hak",
michael@0:         "zh-min": "zh-min",
michael@0:         "zh-min-nan": "nan",
michael@0:         "zh-xiang": "hsn",
michael@0:         // deprecated redundant tags from IANA language subtag registry, file date 2011-08-25
michael@0:         "sgn-br": "bzs",
michael@0:         "sgn-co": "csn",
michael@0:         "sgn-de": "gsg",
michael@0:         "sgn-dk": "dsl",
michael@0:         "sgn-es": "ssp",
michael@0:         "sgn-fr": "fsl",
michael@0:         "sgn-gb": "bfi",
michael@0:         "sgn-gr": "gss",
michael@0:         "sgn-ie": "isg",
michael@0:         "sgn-it": "ise",
michael@0:         "sgn-jp": "jsl",
michael@0:         "sgn-mx": "mfs",
michael@0:         "sgn-ni": "ncs",
michael@0:         "sgn-nl": "dse",
michael@0:         "sgn-no": "nsl",
michael@0:         "sgn-pt": "psr",
michael@0:         "sgn-se": "swl",
michael@0:         "sgn-us": "ase",
michael@0:         "sgn-za": "sfs",
michael@0:         "zh-cmn": "cmn",
michael@0:         "zh-cmn-hans": "cmn-Hans",
michael@0:         "zh-cmn-hant": "cmn-Hant",
michael@0:         "zh-gan": "gan",
michael@0:         "zh-wuu": "wuu",
michael@0:         "zh-yue": "yue",
michael@0:         // deprecated variant with prefix from IANA language subtag registry, file date 2011-08-25
michael@0:         "ja-latn-hepburn-heploc": "ja-Latn-alalc97"
michael@0:     };
michael@0: 
michael@0: 
michael@0:     /**
michael@0:      * Mappings from non-extlang subtags to preferred values.
michael@0:      *
michael@0:      * Spec: IANA Language Subtag Registry.
michael@0:      */
michael@0:     var __subtagMappings = {
michael@0:         // property names and values must be in canonical case
michael@0:         // language subtags with Preferred-Value mappings from IANA language subtag registry, file date 2011-08-25
michael@0:         "in": "id",
michael@0:         "iw": "he",
michael@0:         "ji": "yi",
michael@0:         "jw": "jv",
michael@0:         "mo": "ro",
michael@0:         "ayx": "nun",
michael@0:         "cjr": "mom",
michael@0:         "cmk": "xch",
michael@0:         "drh": "khk",
michael@0:         "drw": "prs",
michael@0:         "gav": "dev",
michael@0:         "mst": "mry",
michael@0:         "myt": "mry",
michael@0:         "tie": "ras",
michael@0:         "tkk": "twm",
michael@0:         "tnf": "prs",
michael@0:         // region subtags with Preferred-Value mappings from IANA language subtag registry, file date 2011-08-25
michael@0:         "BU": "MM",
michael@0:         "DD": "DE",
michael@0:         "FX": "FR",
michael@0:         "TP": "TL",
michael@0:         "YD": "YE",
michael@0:         "ZR": "CD"
michael@0:     };
michael@0: 
michael@0: 
michael@0:     /**
michael@0:      * Mappings from extlang subtags to preferred values.
michael@0:      *
michael@0:      * Spec: IANA Language Subtag Registry.
michael@0:      */
michael@0:     var __extlangMappings = {
michael@0:         // extlang subtags with Preferred-Value mappings from IANA language subtag registry, file date 2011-08-25
michael@0:         // values are arrays with [0] the replacement value, [1] (if present) the prefix to be removed
michael@0:         "aao": ["aao", "ar"],
michael@0:         "abh": ["abh", "ar"],
michael@0:         "abv": ["abv", "ar"],
michael@0:         "acm": ["acm", "ar"],
michael@0:         "acq": ["acq", "ar"],
michael@0:         "acw": ["acw", "ar"],
michael@0:         "acx": ["acx", "ar"],
michael@0:         "acy": ["acy", "ar"],
michael@0:         "adf": ["adf", "ar"],
michael@0:         "ads": ["ads", "sgn"],
michael@0:         "aeb": ["aeb", "ar"],
michael@0:         "aec": ["aec", "ar"],
michael@0:         "aed": ["aed", "sgn"],
michael@0:         "aen": ["aen", "sgn"],
michael@0:         "afb": ["afb", "ar"],
michael@0:         "afg": ["afg", "sgn"],
michael@0:         "ajp": ["ajp", "ar"],
michael@0:         "apc": ["apc", "ar"],
michael@0:         "apd": ["apd", "ar"],
michael@0:         "arb": ["arb", "ar"],
michael@0:         "arq": ["arq", "ar"],
michael@0:         "ars": ["ars", "ar"],
michael@0:         "ary": ["ary", "ar"],
michael@0:         "arz": ["arz", "ar"],
michael@0:         "ase": ["ase", "sgn"],
michael@0:         "asf": ["asf", "sgn"],
michael@0:         "asp": ["asp", "sgn"],
michael@0:         "asq": ["asq", "sgn"],
michael@0:         "asw": ["asw", "sgn"],
michael@0:         "auz": ["auz", "ar"],
michael@0:         "avl": ["avl", "ar"],
michael@0:         "ayh": ["ayh", "ar"],
michael@0:         "ayl": ["ayl", "ar"],
michael@0:         "ayn": ["ayn", "ar"],
michael@0:         "ayp": ["ayp", "ar"],
michael@0:         "bbz": ["bbz", "ar"],
michael@0:         "bfi": ["bfi", "sgn"],
michael@0:         "bfk": ["bfk", "sgn"],
michael@0:         "bjn": ["bjn", "ms"],
michael@0:         "bog": ["bog", "sgn"],
michael@0:         "bqn": ["bqn", "sgn"],
michael@0:         "bqy": ["bqy", "sgn"],
michael@0:         "btj": ["btj", "ms"],
michael@0:         "bve": ["bve", "ms"],
michael@0:         "bvl": ["bvl", "sgn"],
michael@0:         "bvu": ["bvu", "ms"],
michael@0:         "bzs": ["bzs", "sgn"],
michael@0:         "cdo": ["cdo", "zh"],
michael@0:         "cds": ["cds", "sgn"],
michael@0:         "cjy": ["cjy", "zh"],
michael@0:         "cmn": ["cmn", "zh"],
michael@0:         "coa": ["coa", "ms"],
michael@0:         "cpx": ["cpx", "zh"],
michael@0:         "csc": ["csc", "sgn"],
michael@0:         "csd": ["csd", "sgn"],
michael@0:         "cse": ["cse", "sgn"],
michael@0:         "csf": ["csf", "sgn"],
michael@0:         "csg": ["csg", "sgn"],
michael@0:         "csl": ["csl", "sgn"],
michael@0:         "csn": ["csn", "sgn"],
michael@0:         "csq": ["csq", "sgn"],
michael@0:         "csr": ["csr", "sgn"],
michael@0:         "czh": ["czh", "zh"],
michael@0:         "czo": ["czo", "zh"],
michael@0:         "doq": ["doq", "sgn"],
michael@0:         "dse": ["dse", "sgn"],
michael@0:         "dsl": ["dsl", "sgn"],
michael@0:         "dup": ["dup", "ms"],
michael@0:         "ecs": ["ecs", "sgn"],
michael@0:         "esl": ["esl", "sgn"],
michael@0:         "esn": ["esn", "sgn"],
michael@0:         "eso": ["eso", "sgn"],
michael@0:         "eth": ["eth", "sgn"],
michael@0:         "fcs": ["fcs", "sgn"],
michael@0:         "fse": ["fse", "sgn"],
michael@0:         "fsl": ["fsl", "sgn"],
michael@0:         "fss": ["fss", "sgn"],
michael@0:         "gan": ["gan", "zh"],
michael@0:         "gom": ["gom", "kok"],
michael@0:         "gse": ["gse", "sgn"],
michael@0:         "gsg": ["gsg", "sgn"],
michael@0:         "gsm": ["gsm", "sgn"],
michael@0:         "gss": ["gss", "sgn"],
michael@0:         "gus": ["gus", "sgn"],
michael@0:         "hab": ["hab", "sgn"],
michael@0:         "haf": ["haf", "sgn"],
michael@0:         "hak": ["hak", "zh"],
michael@0:         "hds": ["hds", "sgn"],
michael@0:         "hji": ["hji", "ms"],
michael@0:         "hks": ["hks", "sgn"],
michael@0:         "hos": ["hos", "sgn"],
michael@0:         "hps": ["hps", "sgn"],
michael@0:         "hsh": ["hsh", "sgn"],
michael@0:         "hsl": ["hsl", "sgn"],
michael@0:         "hsn": ["hsn", "zh"],
michael@0:         "icl": ["icl", "sgn"],
michael@0:         "ils": ["ils", "sgn"],
michael@0:         "inl": ["inl", "sgn"],
michael@0:         "ins": ["ins", "sgn"],
michael@0:         "ise": ["ise", "sgn"],
michael@0:         "isg": ["isg", "sgn"],
michael@0:         "isr": ["isr", "sgn"],
michael@0:         "jak": ["jak", "ms"],
michael@0:         "jax": ["jax", "ms"],
michael@0:         "jcs": ["jcs", "sgn"],
michael@0:         "jhs": ["jhs", "sgn"],
michael@0:         "jls": ["jls", "sgn"],
michael@0:         "jos": ["jos", "sgn"],
michael@0:         "jsl": ["jsl", "sgn"],
michael@0:         "jus": ["jus", "sgn"],
michael@0:         "kgi": ["kgi", "sgn"],
michael@0:         "knn": ["knn", "kok"],
michael@0:         "kvb": ["kvb", "ms"],
michael@0:         "kvk": ["kvk", "sgn"],
michael@0:         "kvr": ["kvr", "ms"],
michael@0:         "kxd": ["kxd", "ms"],
michael@0:         "lbs": ["lbs", "sgn"],
michael@0:         "lce": ["lce", "ms"],
michael@0:         "lcf": ["lcf", "ms"],
michael@0:         "liw": ["liw", "ms"],
michael@0:         "lls": ["lls", "sgn"],
michael@0:         "lsg": ["lsg", "sgn"],
michael@0:         "lsl": ["lsl", "sgn"],
michael@0:         "lso": ["lso", "sgn"],
michael@0:         "lsp": ["lsp", "sgn"],
michael@0:         "lst": ["lst", "sgn"],
michael@0:         "lsy": ["lsy", "sgn"],
michael@0:         "ltg": ["ltg", "lv"],
michael@0:         "lvs": ["lvs", "lv"],
michael@0:         "lzh": ["lzh", "zh"],
michael@0:         "max": ["max", "ms"],
michael@0:         "mdl": ["mdl", "sgn"],
michael@0:         "meo": ["meo", "ms"],
michael@0:         "mfa": ["mfa", "ms"],
michael@0:         "mfb": ["mfb", "ms"],
michael@0:         "mfs": ["mfs", "sgn"],
michael@0:         "min": ["min", "ms"],
michael@0:         "mnp": ["mnp", "zh"],
michael@0:         "mqg": ["mqg", "ms"],
michael@0:         "mre": ["mre", "sgn"],
michael@0:         "msd": ["msd", "sgn"],
michael@0:         "msi": ["msi", "ms"],
michael@0:         "msr": ["msr", "sgn"],
michael@0:         "mui": ["mui", "ms"],
michael@0:         "mzc": ["mzc", "sgn"],
michael@0:         "mzg": ["mzg", "sgn"],
michael@0:         "mzy": ["mzy", "sgn"],
michael@0:         "nan": ["nan", "zh"],
michael@0:         "nbs": ["nbs", "sgn"],
michael@0:         "ncs": ["ncs", "sgn"],
michael@0:         "nsi": ["nsi", "sgn"],
michael@0:         "nsl": ["nsl", "sgn"],
michael@0:         "nsp": ["nsp", "sgn"],
michael@0:         "nsr": ["nsr", "sgn"],
michael@0:         "nzs": ["nzs", "sgn"],
michael@0:         "okl": ["okl", "sgn"],
michael@0:         "orn": ["orn", "ms"],
michael@0:         "ors": ["ors", "ms"],
michael@0:         "pel": ["pel", "ms"],
michael@0:         "pga": ["pga", "ar"],
michael@0:         "pks": ["pks", "sgn"],
michael@0:         "prl": ["prl", "sgn"],
michael@0:         "prz": ["prz", "sgn"],
michael@0:         "psc": ["psc", "sgn"],
michael@0:         "psd": ["psd", "sgn"],
michael@0:         "pse": ["pse", "ms"],
michael@0:         "psg": ["psg", "sgn"],
michael@0:         "psl": ["psl", "sgn"],
michael@0:         "pso": ["pso", "sgn"],
michael@0:         "psp": ["psp", "sgn"],
michael@0:         "psr": ["psr", "sgn"],
michael@0:         "pys": ["pys", "sgn"],
michael@0:         "rms": ["rms", "sgn"],
michael@0:         "rsi": ["rsi", "sgn"],
michael@0:         "rsl": ["rsl", "sgn"],
michael@0:         "sdl": ["sdl", "sgn"],
michael@0:         "sfb": ["sfb", "sgn"],
michael@0:         "sfs": ["sfs", "sgn"],
michael@0:         "sgg": ["sgg", "sgn"],
michael@0:         "sgx": ["sgx", "sgn"],
michael@0:         "shu": ["shu", "ar"],
michael@0:         "slf": ["slf", "sgn"],
michael@0:         "sls": ["sls", "sgn"],
michael@0:         "sqs": ["sqs", "sgn"],
michael@0:         "ssh": ["ssh", "ar"],
michael@0:         "ssp": ["ssp", "sgn"],
michael@0:         "ssr": ["ssr", "sgn"],
michael@0:         "svk": ["svk", "sgn"],
michael@0:         "swc": ["swc", "sw"],
michael@0:         "swh": ["swh", "sw"],
michael@0:         "swl": ["swl", "sgn"],
michael@0:         "syy": ["syy", "sgn"],
michael@0:         "tmw": ["tmw", "ms"],
michael@0:         "tse": ["tse", "sgn"],
michael@0:         "tsm": ["tsm", "sgn"],
michael@0:         "tsq": ["tsq", "sgn"],
michael@0:         "tss": ["tss", "sgn"],
michael@0:         "tsy": ["tsy", "sgn"],
michael@0:         "tza": ["tza", "sgn"],
michael@0:         "ugn": ["ugn", "sgn"],
michael@0:         "ugy": ["ugy", "sgn"],
michael@0:         "ukl": ["ukl", "sgn"],
michael@0:         "uks": ["uks", "sgn"],
michael@0:         "urk": ["urk", "ms"],
michael@0:         "uzn": ["uzn", "uz"],
michael@0:         "uzs": ["uzs", "uz"],
michael@0:         "vgt": ["vgt", "sgn"],
michael@0:         "vkk": ["vkk", "ms"],
michael@0:         "vkt": ["vkt", "ms"],
michael@0:         "vsi": ["vsi", "sgn"],
michael@0:         "vsl": ["vsl", "sgn"],
michael@0:         "vsv": ["vsv", "sgn"],
michael@0:         "wuu": ["wuu", "zh"],
michael@0:         "xki": ["xki", "sgn"],
michael@0:         "xml": ["xml", "sgn"],
michael@0:         "xmm": ["xmm", "ms"],
michael@0:         "xms": ["xms", "sgn"],
michael@0:         "yds": ["yds", "sgn"],
michael@0:         "ysl": ["ysl", "sgn"],
michael@0:         "yue": ["yue", "zh"],
michael@0:         "zib": ["zib", "sgn"],
michael@0:         "zlm": ["zlm", "ms"],
michael@0:         "zmi": ["zmi", "ms"],
michael@0:         "zsl": ["zsl", "sgn"],
michael@0:         "zsm": ["zsm", "ms"]
michael@0:     };
michael@0: 
michael@0: 
michael@0:     /**
michael@0:      * Canonicalizes the given well-formed BCP 47 language tag, including regularized case of subtags.
michael@0:      *
michael@0:      * Spec: ECMAScript Internationalization API Specification, draft, 6.2.3.
michael@0:      * Spec: RFC 5646, section 4.5.
michael@0:      */
michael@0:     function canonicalizeLanguageTag(locale) {
michael@0: 
michael@0:         // start with lower case for easier processing, and because most subtags will need to be lower case anyway
michael@0:         locale = locale.toLowerCase();
michael@0: 
michael@0:         // handle mappings for complete tags
michael@0:         if (__tagMappings.hasOwnProperty(locale)) {
michael@0:             return __tagMappings[locale];
michael@0:         }
michael@0: 
michael@0:         var subtags = locale.split("-");
michael@0:         var i = 0;
michael@0: 
michael@0:         // handle standard part: all subtags before first singleton or "x"
michael@0:         while (i < subtags.length) {
michael@0:             var subtag = subtags[i];
michael@0:             if (subtag.length === 1 && (i > 0 || subtag === "x")) {
michael@0:                 break;
michael@0:             } else if (i !== 0 && subtag.length === 2) {
michael@0:                 subtag = subtag.toUpperCase();
michael@0:             } else if (subtag.length === 4) {
michael@0:                 subtag = subtag[0].toUpperCase() + subtag.substring(1).toLowerCase();
michael@0:             }
michael@0:             if (__subtagMappings.hasOwnProperty(subtag)) {
michael@0:                 subtag = __subtagMappings[subtag];
michael@0:             } else if (__extlangMappings.hasOwnProperty(subtag)) {
michael@0:                 subtag = __extlangMappings[subtag][0];
michael@0:                 if (i === 1 && __extlangMappings[subtag][1] === subtags[0]) {
michael@0:                     subtags.shift();
michael@0:                     i--;
michael@0:                 }
michael@0:             }
michael@0:             subtags[i] = subtag;
michael@0:             i++;
michael@0:         }
michael@0:         var normal = subtags.slice(0, i).join("-");
michael@0: 
michael@0:         // handle extensions
michael@0:         var extensions = [];
michael@0:         while (i < subtags.length && subtags[i] !== "x") {
michael@0:             var extensionStart = i;
michael@0:             i++;
michael@0:             while (i < subtags.length && subtags[i].length > 1) {
michael@0:                 i++;
michael@0:             }
michael@0:             var extension = subtags.slice(extensionStart, i).join("-");
michael@0:             extensions.push(extension);
michael@0:         }
michael@0:         extensions.sort();
michael@0: 
michael@0:         // handle private use
michael@0:         var privateUse;
michael@0:         if (i < subtags.length) {
michael@0:             privateUse = subtags.slice(i).join("-");
michael@0:         }
michael@0: 
michael@0:         // put everything back together
michael@0:         var canonical = normal;
michael@0:         if (extensions.length > 0) {
michael@0:             canonical += "-" + extensions.join("-");
michael@0:         }
michael@0:         if (privateUse !== undefined) {
michael@0:             if (canonical.length > 0) {
michael@0:                 canonical += "-" + privateUse;
michael@0:             } else {
michael@0:                 canonical = privateUse;
michael@0:             }
michael@0:         }
michael@0: 
michael@0:         return canonical;
michael@0:     }
michael@0: 
michael@0:     return typeof locale === "string" && isStructurallyValidLanguageTag(locale) &&
michael@0:             canonicalizeLanguageTag(locale) === locale;
michael@0: }
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Tests whether the named options property is correctly handled by the given constructor.
michael@0:  * @param {object} Constructor the constructor to test.
michael@0:  * @param {string} property the name of the options property to test.
michael@0:  * @param {string} type the type that values of the property are expected to have
michael@0:  * @param {Array} [values] an array of allowed values for the property. Not needed for boolean.
michael@0:  * @param {any} fallback the fallback value that the property assumes if not provided.
michael@0:  * @param {object} testOptions additional options:
michael@0:  *     @param {boolean} isOptional whether support for this property is optional for implementations.
michael@0:  *     @param {boolean} noReturn whether the resulting value of the property is not returned.
michael@0:  *     @param {boolean} isILD whether the resulting value of the property is implementation and locale dependent.
michael@0:  *     @param {object} extra additional option to pass along, properties are value -> {option: value}.
michael@0:  * @return {boolean} whether the test succeeded.
michael@0:  */
michael@0: function testOption(Constructor, property, type, values, fallback, testOptions) {
michael@0:     var isOptional = testOptions !== undefined && testOptions.isOptional === true;
michael@0:     var noReturn = testOptions !== undefined && testOptions.noReturn === true;
michael@0:     var isILD = testOptions !== undefined && testOptions.isILD === true;
michael@0:     
michael@0:     function addExtraOptions(options, value, testOptions) {
michael@0:         if (testOptions !== undefined && testOptions.extra !== undefined) {
michael@0:             var extra;
michael@0:             if (value !== undefined && testOptions.extra[value] !== undefined) {
michael@0:                 extra = testOptions.extra[value];
michael@0:             } else if (testOptions.extra.any !== undefined) {
michael@0:                 extra = testOptions.extra.any;
michael@0:             }
michael@0:             if (extra !== undefined) {
michael@0:                 Object.getOwnPropertyNames(extra).forEach(function (prop) {
michael@0:                     options[prop] = extra[prop];
michael@0:                 });
michael@0:             }
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     var testValues, options, obj, expected, actual, error;
michael@0: 
michael@0:     // test that the specified values are accepted. Also add values that convert to specified values.
michael@0:     if (type === "boolean") {
michael@0:         if (values === undefined) {
michael@0:             values = [true, false];
michael@0:         }
michael@0:         testValues = values.slice(0);
michael@0:         testValues.push(888);
michael@0:         testValues.push(0);
michael@0:     } else if (type === "string") {
michael@0:         testValues = values.slice(0);
michael@0:         testValues.push({toString: function () { return values[0]; }});
michael@0:     }
michael@0:     testValues.forEach(function (value) {
michael@0:         options = {};
michael@0:         options[property] = value;
michael@0:         addExtraOptions(options, value, testOptions);
michael@0:         obj = new Constructor(undefined, options);
michael@0:         if (noReturn) {
michael@0:             if (obj.resolvedOptions().hasOwnProperty(property)) {
michael@0:                 $ERROR("Option property " + property + " is returned, but shouldn't be.");
michael@0:             }
michael@0:         } else {
michael@0:             actual = obj.resolvedOptions()[property];
michael@0:             if (isILD) {
michael@0:                 if (actual !== undefined && values.indexOf(actual) === -1) {
michael@0:                     $ERROR("Invalid value " + actual + " returned for property " + property + ".");
michael@0:                 }
michael@0:             } else {
michael@0:                 if (type === "boolean") {
michael@0:                     expected = Boolean(value);
michael@0:                 } else if (type === "string") {
michael@0:                     expected = String(value);
michael@0:                 }
michael@0:                 if (actual !== expected && !(isOptional && actual === undefined)) {
michael@0:                     $ERROR("Option value " + value + " for property " + property +
michael@0:                         " was not accepted; got " + actual + " instead.");
michael@0:                 }
michael@0:             }
michael@0:         }
michael@0:     });
michael@0: 
michael@0:     // test that invalid values are rejected
michael@0:     if (type === "string") {
michael@0:         var invalidValues = ["invalidValue", -1, null];
michael@0:         // assume that we won't have values in caseless scripts
michael@0:         if (values[0].toUpperCase() !== values[0]) {
michael@0:             invalidValues.push(values[0].toUpperCase());
michael@0:         } else {
michael@0:             invalidValues.push(values[0].toLowerCase());
michael@0:         }
michael@0:         invalidValues.forEach(function (value) {
michael@0:             options = {};
michael@0:             options[property] = value;
michael@0:             addExtraOptions(options, value, testOptions);
michael@0:             error = undefined;
michael@0:             try {
michael@0:                 obj = new Constructor(undefined, options);
michael@0:             } catch (e) {
michael@0:                 error = e;
michael@0:             }
michael@0:             if (error === undefined) {
michael@0:                 $ERROR("Invalid option value " + value + " for property " + property + " was not rejected.");
michael@0:             } else if (error.name !== "RangeError") {
michael@0:                 $ERROR("Invalid option value " + value + " for property " + property + " was rejected with wrong error " + error.name + ".");
michael@0:             }
michael@0:         });
michael@0:     }
michael@0: 
michael@0:     // test that fallback value or another valid value is used if no options value is provided
michael@0:     if (!noReturn) {
michael@0:         options = {};
michael@0:         addExtraOptions(options, undefined, testOptions);
michael@0:         obj = new Constructor(undefined, options);
michael@0:         actual = obj.resolvedOptions()[property];
michael@0:         if (!(isOptional && actual === undefined)) {
michael@0:             if (fallback !== undefined) {
michael@0:                 if (actual !== fallback) {
michael@0:                     $ERROR("Option fallback value " + fallback + " for property " + property +
michael@0:                         " was not used; got " + actual + " instead.");
michael@0:                 }
michael@0:             } else {
michael@0:                 if (values.indexOf(actual) === -1 && !(isILD && actual === undefined)) {
michael@0:                     $ERROR("Invalid value " + actual + " returned for property " + property + ".");
michael@0:                 }
michael@0:             }
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     return true;
michael@0: }
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Tests whether the named property of the given object has a valid value
michael@0:  * and the default attributes of the properties of an object literal.
michael@0:  * @param {Object} obj the object to be tested.
michael@0:  * @param {string} property the name of the property
michael@0:  * @param {Function|Array} valid either a function that tests value for validity and returns a boolean,
michael@0:  *     an array of valid values.
michael@0:  * @exception if the property has an invalid value.
michael@0:  */
michael@0: function testProperty(obj, property, valid) {
michael@0:     var desc = Object.getOwnPropertyDescriptor(obj, property);
michael@0:     if (!desc.writable) {
michael@0:         $ERROR("Property " + property + " must be writable.");
michael@0:     }
michael@0:     if (!desc.enumerable) {
michael@0:         $ERROR("Property " + property + " must be enumerable.");
michael@0:     }
michael@0:     if (!desc.configurable) {
michael@0:         $ERROR("Property " + property + " must be configurable.");
michael@0:     }
michael@0:     var value = desc.value;
michael@0:     var isValid = (typeof valid === "function") ? valid(value) : (valid.indexOf(value) !== -1);
michael@0:     if (!isValid) {
michael@0:         $ERROR("Property value " + value + " is not allowed for property " + property + ".");
michael@0:     }
michael@0: }
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Tests whether the named property of the given object, if present at all, has a valid value
michael@0:  * and the default attributes of the properties of an object literal.
michael@0:  * @param {Object} obj the object to be tested.
michael@0:  * @param {string} property the name of the property
michael@0:  * @param {Function|Array} valid either a function that tests value for validity and returns a boolean,
michael@0:  *     an array of valid values.
michael@0:  * @exception if the property is present and has an invalid value.
michael@0:  */
michael@0: function mayHaveProperty(obj, property, valid) {
michael@0:     if (obj.hasOwnProperty(property)) {
michael@0:         testProperty(obj, property, valid);
michael@0:     }
michael@0: }
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Tests whether the given object has the named property with a valid value
michael@0:  * and the default attributes of the properties of an object literal.
michael@0:  * @param {Object} obj the object to be tested.
michael@0:  * @param {string} property the name of the property
michael@0:  * @param {Function|Array} valid either a function that tests value for validity and returns a boolean,
michael@0:  *     an array of valid values.
michael@0:  * @exception if the property is missing or has an invalid value.
michael@0:  */
michael@0: function mustHaveProperty(obj, property, valid) {
michael@0:     if (!obj.hasOwnProperty(property)) {
michael@0:         $ERROR("Object is missing property " + property + ".");
michael@0:     }
michael@0:     testProperty(obj, property, valid);
michael@0: }
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Tests whether the given object does not have the named property.
michael@0:  * @param {Object} obj the object to be tested.
michael@0:  * @param {string} property the name of the property
michael@0:  * @exception if the property is present.
michael@0:  */
michael@0: function mustNotHaveProperty(obj, property) {
michael@0:     if (obj.hasOwnProperty(property)) {
michael@0:         $ERROR("Object has property it mustn't have: " + property + ".");
michael@0:     }
michael@0: }
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Properties of the RegExp constructor that may be affected by use of regular
michael@0:  * expressions, and the default values of these properties. Properties are from
michael@0:  * https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Deprecated_and_obsolete_features#RegExp_Properties
michael@0:  */
michael@0: var regExpProperties = ["$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", "$9",
michael@0:     "$_", "$*", "$&", "$+", "$`", "$'",
michael@0:     "input", "lastMatch", "lastParen", "leftContext", "rightContext"
michael@0: ];
michael@0: 
michael@0: var regExpPropertiesDefaultValues = (function () {
michael@0:     var values = Object.create(null);
michael@0:     regExpProperties.forEach(function (property) {
michael@0:         values[property] = RegExp[property];
michael@0:     });
michael@0:     return values;
michael@0: }());
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Tests that executing the provided function (which may use regular expressions
michael@0:  * in its implementation) does not create or modify unwanted properties on the
michael@0:  * RegExp constructor.
michael@0:  */
michael@0: function testForUnwantedRegExpChanges(testFunc) {
michael@0:     regExpProperties.forEach(function (property) {
michael@0:         RegExp[property] = regExpPropertiesDefaultValues[property];
michael@0:     });
michael@0:     testFunc();
michael@0:     regExpProperties.forEach(function (property) {
michael@0:         if (RegExp[property] !== regExpPropertiesDefaultValues[property]) {
michael@0:             $ERROR("RegExp has unexpected property " + property + " with value " +
michael@0:                 RegExp[property] + ".");
michael@0:         }
michael@0:     });
michael@0: }
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Tests whether name is a valid BCP 47 numbering system name
michael@0:  * and not excluded from use in the ECMAScript Internationalization API.
michael@0:  * @param {string} name the name to be tested.
michael@0:  * @return {boolean} whether name is a valid BCP 47 numbering system name and
michael@0:  *     allowed for use in the ECMAScript Internationalization API.
michael@0:  */
michael@0: 
michael@0: function isValidNumberingSystem(name) {
michael@0:     
michael@0:     // source: CLDR file common/bcp47/number.xml; version CLDR 21.
michael@0:     var numberingSystems = [
michael@0:         "arab",
michael@0:         "arabext",
michael@0:         "armn",
michael@0:         "armnlow",
michael@0:         "bali",
michael@0:         "beng",
michael@0:         "brah",
michael@0:         "cakm",
michael@0:         "cham",
michael@0:         "deva",
michael@0:         "ethi",
michael@0:         "finance",
michael@0:         "fullwide",
michael@0:         "geor",
michael@0:         "grek",
michael@0:         "greklow",
michael@0:         "gujr",
michael@0:         "guru",
michael@0:         "hanidec",
michael@0:         "hans",
michael@0:         "hansfin",
michael@0:         "hant",
michael@0:         "hantfin",
michael@0:         "hebr",
michael@0:         "java",
michael@0:         "jpan",
michael@0:         "jpanfin",
michael@0:         "kali",
michael@0:         "khmr",
michael@0:         "knda",
michael@0:         "osma",            
michael@0:         "lana",
michael@0:         "lanatham",
michael@0:         "laoo",
michael@0:         "latn",
michael@0:         "lepc",
michael@0:         "limb",
michael@0:         "mlym",
michael@0:         "mong",
michael@0:         "mtei",
michael@0:         "mymr",
michael@0:         "mymrshan",
michael@0:         "native",
michael@0:         "nkoo",
michael@0:         "olck",
michael@0:         "orya",
michael@0:         "roman",
michael@0:         "romanlow",
michael@0:         "saur",
michael@0:         "shrd",
michael@0:         "sora",
michael@0:         "sund",
michael@0:         "talu",
michael@0:         "takr",
michael@0:         "taml",
michael@0:         "tamldec",
michael@0:         "telu",
michael@0:         "thai",
michael@0:         "tibt",
michael@0:         "traditio",
michael@0:         "vaii"
michael@0:     ];
michael@0:     
michael@0:     var excluded = [
michael@0:         "finance",
michael@0:         "native",
michael@0:         "traditio"
michael@0:     ];
michael@0:         
michael@0:     
michael@0:     return numberingSystems.indexOf(name) !== -1 && excluded.indexOf(name) === -1;
michael@0: }
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Provides the digits of numbering systems with simple digit mappings,
michael@0:  * as specified in 11.3.2.
michael@0:  */
michael@0: 
michael@0: var numberingSystemDigits = {
michael@0:     arab: "٠١٢٣٤٥٦٧٨٩",
michael@0:     arabext: "۰۱۲۳۴۵۶۷۸۹",
michael@0:     beng: "০১২৩৪৫৬৭৮৯",
michael@0:     deva: "०१२३४५६७८९",
michael@0:     fullwide: "０１２３４５６７８９",
michael@0:     gujr: "૦૧૨૩૪૫૬૭૮૯",
michael@0:     guru: "੦੧੨੩੪੫੬੭੮੯",
michael@0:     hanidec: "〇一二三四五六七八九",
michael@0:     khmr: "០១២៣៤៥៦៧៨៩",
michael@0:     knda: "೦೧೨೩೪೫೬೭೮೯",
michael@0:     laoo: "໐໑໒໓໔໕໖໗໘໙",
michael@0:     latn: "0123456789",
michael@0:     mlym: "൦൧൨൩൪൫൬൭൮൯",
michael@0:     mong: "᠐᠑᠒᠓᠔᠕᠖᠗᠘᠙",
michael@0:     mymr: "၀၁၂၃၄၅၆၇၈၉",
michael@0:     orya: "୦୧୨୩୪୫୬୭୮୯",
michael@0:     tamldec: "௦௧௨௩௪௫௬௭௮௯",
michael@0:     telu: "౦౧౨౩౪౫౬౭౮౯",
michael@0:     thai: "๐๑๒๓๔๕๖๗๘๙",
michael@0:     tibt: "༠༡༢༣༤༥༦༧༨༩"
michael@0: };
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Tests that number formatting is handled correctly. The function checks that the
michael@0:  * digit sequences in formatted output are as specified, converted to the
michael@0:  * selected numbering system, and embedded in consistent localized patterns.
michael@0:  * @param {Array} locales the locales to be tested.
michael@0:  * @param {Array} numberingSystems the numbering systems to be tested.
michael@0:  * @param {Object} options the options to pass to Intl.NumberFormat. Options
michael@0:  *     must include {useGrouping: false}, and must cause 1.1 to be formatted
michael@0:  *     pre- and post-decimal digits.
michael@0:  * @param {Object} testData maps input data (in ES5 9.3.1 format) to expected output strings
michael@0:  *     in unlocalized format with Western digits.
michael@0:  */
michael@0: 
michael@0: function testNumberFormat(locales, numberingSystems, options, testData) {
michael@0:     locales.forEach(function (locale) {
michael@0:         numberingSystems.forEach(function (numbering) {
michael@0:             var digits = numberingSystemDigits[numbering];
michael@0:             var format = new Intl.NumberFormat([locale + "-u-nu-" + numbering], options);
michael@0:     
michael@0:             function getPatternParts(positive) {
michael@0:                 var n = positive ? 1.1 : -1.1;
michael@0:                 var formatted = format.format(n);
michael@0:                 var oneoneRE = "([^" + digits + "]*)[" + digits + "]+([^" + digits + "]+)[" + digits + "]+([^" + digits + "]*)";
michael@0:                 var match = formatted.match(new RegExp(oneoneRE));
michael@0:                 if (match === null) {
michael@0:                     $ERROR("Unexpected formatted " + n + " for " +
michael@0:                         format.resolvedOptions().locale + " and options " +
michael@0:                         JSON.stringify(options) + ": " + formatted);
michael@0:                 }
michael@0:                 return match;
michael@0:             }
michael@0:             
michael@0:             function toNumbering(raw) {
michael@0:                 return raw.replace(/[0-9]/g, function (digit) {
michael@0:                     return digits[digit.charCodeAt(0) - "0".charCodeAt(0)];
michael@0:                 });
michael@0:             }
michael@0:             
michael@0:             function buildExpected(raw, patternParts) {
michael@0:                 var period = raw.indexOf(".");
michael@0:                 if (period === -1) {
michael@0:                     return patternParts[1] + toNumbering(raw) + patternParts[3];
michael@0:                 } else {
michael@0:                     return patternParts[1] + 
michael@0:                         toNumbering(raw.substring(0, period)) +
michael@0:                         patternParts[2] +
michael@0:                         toNumbering(raw.substring(period + 1)) +
michael@0:                         patternParts[3];
michael@0:                 }
michael@0:             }
michael@0:             
michael@0:             if (format.resolvedOptions().numberingSystem === numbering) {
michael@0:                 // figure out prefixes, infixes, suffixes for positive and negative values
michael@0:                 var posPatternParts = getPatternParts(true);
michael@0:                 var negPatternParts = getPatternParts(false);
michael@0:                 
michael@0:                 Object.getOwnPropertyNames(testData).forEach(function (input) {
michael@0:                     var rawExpected = testData[input];
michael@0:                     var patternParts;
michael@0:                     if (rawExpected[0] === "-") {
michael@0:                         patternParts = negPatternParts;
michael@0:                         rawExpected = rawExpected.substring(1);
michael@0:                     } else {
michael@0:                         patternParts = posPatternParts;
michael@0:                     }
michael@0:                     var expected = buildExpected(rawExpected, patternParts);
michael@0:                     var actual = format.format(input);
michael@0:                     if (actual !== expected) {
michael@0:                         $ERROR("Formatted value for " + input + ", " +
michael@0:                         format.resolvedOptions().locale + " and options " +
michael@0:                         JSON.stringify(options) + " is " + actual + "; expected " + expected + ".");
michael@0:                     }
michael@0:                 });
michael@0:             }
michael@0:         });
michael@0:     });
michael@0: }
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Return the components of date-time formats.
michael@0:  * @return {Array} an array with all date-time components.
michael@0:  */
michael@0: 
michael@0: function getDateTimeComponents() {
michael@0:     return ["weekday", "era", "year", "month", "day", "hour", "minute", "second", "timeZoneName"];
michael@0: }
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Return the valid values for the given date-time component, as specified
michael@0:  * by the table in section 12.1.1.
michael@0:  * @param {string} component a date-time component.
michael@0:  * @return {Array} an array with the valid values for the component.
michael@0:  */
michael@0: 
michael@0: function getDateTimeComponentValues(component) {
michael@0:     
michael@0:     var components = {
michael@0:         weekday: ["narrow", "short", "long"],
michael@0:         era: ["narrow", "short", "long"],
michael@0:         year: ["2-digit", "numeric"],
michael@0:         month: ["2-digit", "numeric", "narrow", "short", "long"],
michael@0:         day: ["2-digit", "numeric"],
michael@0:         hour: ["2-digit", "numeric"],
michael@0:         minute: ["2-digit", "numeric"],
michael@0:         second: ["2-digit", "numeric"],
michael@0:         timeZoneName: ["short", "long"]
michael@0:     };
michael@0:     
michael@0:     var result = components[component];
michael@0:     if (result === undefined) {
michael@0:         $ERROR("Internal error: No values defined for date-time component " + component + ".");
michael@0:     }
michael@0:     return result;
michael@0: }
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Tests that the given value is valid for the given date-time component.
michael@0:  * @param {string} component a date-time component.
michael@0:  * @param {string} value the value to be tested.
michael@0:  * @return {boolean} true if the test succeeds.
michael@0:  * @exception if the test fails.
michael@0:  */
michael@0: 
michael@0: function testValidDateTimeComponentValue(component, value) {
michael@0:     if (getDateTimeComponentValues(component).indexOf(value) === -1) {
michael@0:         $ERROR("Invalid value " + value + " for date-time component " + component + ".");
michael@0:     }
michael@0:     return true;
michael@0: }
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Verifies that the actual array matches the expected one in length, elements,
michael@0:  * and element order.
michael@0:  * @param {Array} expected the expected array.
michael@0:  * @param {Array} actual the actual array.
michael@0:  * @return {boolean} true if the test succeeds.
michael@0:  * @exception if the test fails.
michael@0:  */
michael@0: function testArraysAreSame(expected, actual) {
michael@0:     for (i = 0; i < Math.max(actual.length, expected.length); i++) {
michael@0:         if (actual[i] !== expected[i]) {
michael@0:             $ERROR("Result array element at index " + i + " should be \"" +
michael@0:                 expected[i] + "\" but is \"" + actual[i] + "\".");
michael@0:         }
michael@0:     }
michael@0:     return true;
michael@0: }
michael@0: